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US 4,583,420 AGranted
Handwheel actuated machine tool mechanism
OwnerBradford A. Mileyinventor
Life of this patent
Estimating the term…
Abstract
A handwheel actuated machine tool mechanism is disclosed in which a planetary gear arrangement is utilized to effectuate a mechanical advantage in the actuation of the machine tool when desirable, together with a clutch means to cease propulsion of the machine tool when it encounters an obstruction.
Claims4
A handwheel mechanism for a handwheel actuated machine tool comprising
- a gear housing surrounding and containing:
- an internally toothed ring gear affixed to said gear housing,
- as least one driver pinion which engage both said ring gear and
- a follower gear which is affixed to a drive shaft for said machine tool, and
- a handle plate with at least one hole;
- and
- a handle unit affixed to one of said holes containing:
- a crank handle,
- a securing means for attaching said handle unit to said hole,
- a hub for said driver pinion attached to said securing means, and
- an index means attached to said crank handle and adapted to releasably engage at least one opening or recess in said gear housing.
8 more elements
Dependencies are inferred from the claim text.